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Flash Flood — Cass, TX

May 2, 2009

A very unstable airmass developed across the four state region during the afternoon hours of May 2nd. A weak cold front had moved southward during the morning hours into southeast Oklahoma and southwest Arkansas and had stalled. A weak shortwave moved into the Texas Hill County and produced enough lift...along with the development of a strong low level jet...for strong to severe thunderstorms to erupt across the region. The storms initially developed as supercells...producing large hail and i

Source: NOAA National Weather Service Storm Events Database (event 166690). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Cass, TX

This event is one of many recorded floods in Cass County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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